Why do tennis balls have "fur"?
Sounds like set-up for some really bad joke. What was their answer? "Because no one wants to shave their balls"? I'm sorry 😫
I am intrigued, why?
There's actually some science behind it, the actual reason is «the felt covering helps make them softer, slow their speed in the air, and regulate their bounce. »
(Fur wasn't the correct term, but I didn't remember a better one to translate the original question )
To keep it warm.
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